ASUS ROG Zephyrus Duo 16 (GX650PY) vs. Lenovo ThinkPad T14 Gen 4 (21K3)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS ROG Zephyrus Duo 16 (GX650PY) and Lenovo ThinkPad T14 Gen 4 (21K3). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

ASUS ROG Zephyrus Duo 16 (GX650PY) Review

Advantages and disadvantages of ASUS ROG Zephyrus Duo 16 (GX650PY) based on its technical characteristics, features, user experience, expert reviews and price level.

innovative dual-screen design

powerful gaming performance

high-resolution main display

ample storage options

advanced cooling system

high price point

bulkier than competitors

average battery life

limited port selection

Lenovo ThinkPad T14 Gen 4 (21K3) Review

Advantages and disadvantages of Lenovo ThinkPad T14 Gen 4 (21K3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

powerful processor options

good battery life

impressive security features

heavier than competitors

average display brightness

limited color options

pricey base model

Laptop Comparison and Tests

Difference between ASUS ROG Zephyrus Duo 16 (GX650PY) and Lenovo ThinkPad T14 Gen 4 (21K3)
86 % - Design
92 % - Display
92 % - Performance
85 % - Connectivity
75 % - Battery
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS ROG Zephyrus Duo 16 (GX650PY) vs. Lenovo ThinkPad T14 Gen 4 (21K3) Comparison Chart
DESIGN AND DIMENSIONS ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.5 cm x 26.6 cm x 2.97 cm 31.77 cm x 22.69 cm x 1.79 cm
Weight 2.67 kg 1.39 kg
Case Material - Carbon fibre hybrid (top), polyphenylene sulfide (bottom)
Colour Off black Thunder black
DISPLAY ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Screen Size (Type) 16" 14" - IPS
LCD Backlight Technology Mini LED backlight -
Screen Resolution 2560 x 1600 (WQXGA) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. 240 Hz -
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 1100 cd/m² 300 cd/m²
Colour Gamut 100% DCI-P3 45% NTSC
Features Anti-glare, 3 ms response rate, FreeSync Premium Pro Technology, Pantone Validated, Dolby Vision, VESA DisplayHDR 1000 Anti-glare
PROCESSOR ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
CPU AMD Ryzen 9 7945HX / 2.5 GHz AMD Ryzen 5 Pro 7540U / 3.2 GHz
Max Turbo Speed 5.4 GHz 4.9 GHz
Number of Cores 16-core 6-core
Cache L3 - 64 MB L3 - 16 MB
Features - Integrated memory controller
MEMORY ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
RAM 32 GB 16 GB (provided memory is soldered)
RAM Type DDR5 SDRAM LPDDR5X SDRAM
Speed - 6400 MHz
Rated Speed - 6400 MHz
STORAGE ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Main Storage Size (HDD/SSD) 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe), Performance 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) NVIDIA GeForce RTX 4090 / AMD Radeon 610M AMD Radeon 740M
Max Monitors Supported - 3 external monitor(s)
Video Memory 16 GB GDDR6 SDRAM -
Video System Features ROG Boost, Dynamic Boost, MUX Switch -
Gaming Yes -
Camera Yes - 1080p Yes - 1080p
Camera Features 30 frames per second Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera, Ultrasonic Human Presence Detection
Sound Six speakers, 3-microphone array Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards Dolby Atmos High Definition Audio, Dolby Audio
Audio Features Output: Smart Amplification technology; Input: AI noise cancelling Input: Dolby Voice, 360° far-field
COMMUNICATIONS ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - MediaTek RZ616
Network Interface 2.5 Gigabit Ethernet Gigabit Ethernet
Ethernet Controller - Realtek RTL8111EPV
Compliant Standards - DASH
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Technology 4-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 90 Wh 52.5 Wh
AC ADAPTER ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 330 Watt, 19.5 V, 16.9 A 65 Watt
INPUT ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Type Keyboard, NumberPad, ScreenPad Plus Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes (RGB) Yes
Features Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display, 1.7mm travel distance Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Interfaces Headphone/microphone combo jack
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 2
HDMI 2.1
LAN
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode)
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (microSD, microSDXC UHS-II) -
SOFTWARE ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Operating System (OS) Windows 11 Home Windows 11 Pro - English
Software Included - Glance by Mirametrix
MISCELLANEOUS ASUS ROG Zephyrus Duo 16 (GX650PY) Lenovo ThinkPad T14 Gen 4 (21K3)
Included Accessories Power adapter, palm rest USB-C power adapter
Security Firmware Trusted Platform Module (TPM) Security Chip Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card reader
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features System password, ASUS Aura Sync technology, Thermal Grizzly Conductonaut, Active Aerodynamic System Plus (AAS Plus), Arc Flow Fans Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication
Compliant Standards TUV Rheinland Low Blue Light Certification RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty - Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
Extended warranty - 1 year - on-site - response time: next business day
Model Number NM010W -
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